<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>1_使用jsx创建虚拟DOM</title>
</head>
<body>
  <!-- 准备好一个“容器” -->
  <div id="test"></div>

  <!-- 引入react核心库 -->
  <script type="text/javascript" src="../js/react.development.js"></script>
  <!-- 引入react-dom，用于支持react操作DOM -->
  <script type="text/javascript" src="../js/react-dom.development.js"></script>
  <!-- 引入babel，用于将jsx转为js -->
  <script type="text/javascript" src="../js/babel.min.js"></script>

  <!-- 此处一定要写babel -->
  <script type="text/babel">
    // 1. 创建虚拟DOM
    // const VDOM = <h1 id="title">Hello,React</h1> // 此处一定不要写引号，因为不是字符串
    const VDOM = (
      <h1 id="title">
        <span>Hello,React</span>
      </h1>
    )
    // 2. 渲染虚拟DOM到页面
    ReactDOM.render(VDOM, document.getElementById('test'))
  </script>
</body>
</html>